著者
下代 昇平 谷本 道哉
出版者
日本実験力学会
雑誌
実験力学 (ISSN:13464930)
巻号頁・発行日
vol.18, no.3, pp.184-191, 2018-10-11 (Released:2018-10-12)
参考文献数
31

Recently, athletes tend to focus on trunk stability during sports movements. Trunk stability is thought to play the role of an upper and lower limbs' foundation and to improve transfer capacity of power from the lower limbs to the upper limbs. Intra-abdominal pressure (IAP) development is considered to be important for trunk stability training exercises such as planks. The purpose of this study was to examine how IAP changed in sports movements and to compare IAP during various types of movements. Ten healthy men with resistance training experience of more than 1 year performed movements. Maximal IAP during the valsalva maneuver (maxIAP) was measured. The subjects performed trunk stability training (TST), trunk muscles resistance training (TRT), upper and lower limbs movement muscles resistance training (LRT) and dynamic sports movement (DSM). IAP value during TST (8~19%maxIAP) was significantly lower than that during DSM and LRT and was almost the same as that during TRT. IAP value during DSM was the highest (37~62%maxIAP) in all movement groups. IAP value correlated at erector spinae muscles electromyography (EMG) during TRT, LRT and DSM (P<0.05). These results suggest that IAP development did not appear during TST. IAP development may be related to trunk extension moment.

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